Running during the extreme heat

WABC-TV--New York—July 19, 2013

We found plenty of people running in the heat on Friday.

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It's true that over time your body can get used to the heat.

It's called heat acclimatization training. Your body becomes physiologically more efficient and tolerant in the heat. But that takes days of training, and even for conditioned athletes, heat exhaustion can sneak up on you.

As a runner and performance specialist at Hospital for Special Surgery, Jamie Osmak says know when to when to call it quits.

"If you're feeling faint or dizzy, if I'm really, really sweating and feel like I'm overheating I stop and go home," Osmak said.

My advice is run only in the morning or the late evening, or even better run inside.

This story originally appeared at abclocal.go.com.